[lkml]   [2009]   [Sep]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: regression in page writeback
    On Tue, Sep 29, 2009 at 10:32:27AM +0800, Wu Fengguang wrote:
    > > This should help a bit for XFS as it historically does multi-page
    > > writeouts from ->writepages (and apprently btrfs that added some
    > ->writepage ?


    > > write-around recently?) but not those brave filesystems only
    > > implementing the multi-page writeout from writepages as designed.
    > Thanks. Just tried write_cache_pages(), looks simple. Need to further
    > convert all aops->writepages to support lumpy pageout :)

    Yeah. Most ->writepages instances are just copies of write_cache_pages
    with local hacks. If you have any good idea to consolidate that that
    would be great. Also XFS and btrfs do cluster move pages even from
    ->writepage, I wonder how well that interacts with reclaim.

     \ /
      Last update: 2009-09-29 16:25    [W:0.085 / U:3.176 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site